Earth pulverizing machine



April 25, 1933.,

c. JASS 1,905,386

EARTH PULVERIZING MACHINE Filed June 27, 1932 2 Sheets-Sheet l M N VEN TOR. Carl aaa.

flag/A TTORNEYS.

April 25, 1933. C. JASS 1,905,386

EARTH PULVERI ZING MACHINE Filed June 27 1952 2 Sheets-Sheet 2 wily '0 G J .33

1 VENTOR. 19 2/ 'CQT'Z @Qa.

Z1 22 2 BY Z 'tz M mas.

Patented Apr. 25, 1933 UNITED STATES CARL JASS, on nonrcon, Wisconsin EARTH rnrvnnizine MACHINE Application filed June 27,

This invention relates to izing machine.

An object of the invention is the provision of simple and efiicient means for'manually adjusting the bearing devices for controlling 'the height of the pulverizing rollers withrespect to the round.

Another ofiwject of my invention is the improvement of the construction of clutch dean earth pulver- 13 vices employed in the construction of an earth pulverizing machine.

A still further object of my invention is the With the foregoing and other objects in view, my invention comprises certain novel constructions, combinations and arrangements of parts as will be hereinafter fully described, illustrated in the accompanying drawings, and more particularly pointed out in the appended claims.

In the drawings: Figure 1 is a fragmentary view in elevation of a bearing device for a hand lift mechanism, while Figure 2 is a sectional view taken on line 22, Figure 1, and looking in the direction of the arrows.

Figure 3'is a top plan view of two of the hoisting drums and their gears for a power lift mechanism, while Figure 4 is a vertical section taken on line 7 4-4, Figure 3, and looking in the direction of the arrows, showing part of the frame in section and the drums and gears in elevation. Figure 5 is a top plan view of a clutch device, while 7 Figure 6 is an end View of the same.

Figure 7 is a sectional View taken on line "1922. Seria1No.619,578. V

7-7, Figure 5 and looking in the direction of the arrows.

Figure 8 is a fragmentary plan view of a portion of the frame, showing one of the hoisting drums and'gear employed in winding the cable shown in Figs. 1 and 2, while Figure 9 is a sectional view taken on line 919, Fig. 8 and looking in the direction of the arrows. Y Figure 10 is a view in'elevation of mean for controlling the raising of my pulverizing rollers, shown in my co-pending application, filed Feb. 4, 1932, ber. No. 590,953. 2

Referring to the drawings by numerals, 1, 1 designates the rods that aresuitably supported upon frame 2 (Fig. 9) and these rods extend at their lower ends into sockets ,3 of the bracket 4. Setscrews 5 extend into the sockets 3, against rods 1, thereby secu'r-; ing bracket 4' upon the rods, Extending horizontally from opposite sides of bracket 4 are pairs of cars 6. A suitable, pin or axle 7 extends through each pair 'of ears 6' on which is journalled a pulley'S. Over pulley 8 travels the cable 9; This structure is a de- 7 cided improvement over my old" structure shown in my prior Patent No. 1,045,295.

One end of cable 9 is fastened permanently to the frame 2, while its other end is wound around the hoisting drum 10, Figs- 8 and 9. Drum 10 is fixedly secured to shaft 11 and the inner end of shaft-'11"=is,-f0rmed to"receive a crank 12 (dottedlines) which the operator uses for manually rotating the drum 10. Bythis method, the pulverizing roller 13 is set, for working the ground at the proper depth, determined by the operator of the 7 machine. Integral with drum-10 is a gear 14, engaged by pawl 15, carried by frame 2, F ig. 8. This pawl and gear prevents the'd rum from unwinding in the wrong direction, except as when the operator desires. 5

While I have just described the manual ad-v justment of the pulverizing roller, for its proper working, with respect to the ground, yet I have described in'my co-pending application Serial Number 596,622, filed. March 3, 1932, the-means for'lifting the pulverizing' roller, or rollers 13 for placing the same entirely out of operation, which lifting means between the ends of the bracket 19, is a coil spring 21, which tends to force bolt inward against gear 18, except when cable 22 is pulled outwardly by manual strain, whereupon gear 18 and drum 17 is released for free rotation.

Referring to Figures 5, 6, 7 and 10, on the frame 2, I support the shafts 16, on each of which is loosely mounted a sprocket wheel 23,

which is adapted to be driven by any usual means, not shown. Sprocket wheel 23 is provided with clutch teeth 25. The sprocket wheel 28 is loosely mounted on shaft 16. Sprocket wheel 28 is also provided withteeth 25 that ordinarily mesh with the teeth 25 on the sprocket wheel 23, whereby, when the machine is moving in the field, in a forwarddirection, the pulverizing rollers (not shown) will be rotated, but if the machine is backed, then the teeth 25 disengage, placing the sprocket wheel 28 in an idle position, so that the rollers will not be injured. Integral with sprocket wheel 28 is a spool 29 that is engaged by the fork 30. Fork 30 is operated by a member 31 when it is desired to slide sprocket wheel 28 over against the sleeve 32, which is secured to shaft 16, thereby when theteeth 27 are. meshing with the teeth 34, the drums 17 and 33 (Fig. 10) of each shaft 16, will be rotated for raising the rollers. lVhen 28 and 32 are inmesh, as long as the teeth of the rollers engage the ground, the shafts'16 will be rotated, to raisesaid rollers clear of the ground.

When the sprocket wheel 28 is in the po- .sition shown in Fig. 7, it will be idle, since it is neither in mesh with sprocket wheel 23 nor with sleeve 32.

-The fork30 works through a bracket 35, fastened to frame 2. A lug 36 extends outwardly from bracket to which is attached the inner end of coil spring 37. The outer end of spring 27 is fastened to a bracket 38 formed on the outer end of fork 30. By

I meansof this spring structure, the sprocket wheel 28 is normally held in mesh with sprocket wheel 23.

, While I have described thepreferred embodiments of myinvention and illustrated the same in the accompanying drawings, certain minor changes or alterations mayappear to one skilled in the art to which this invention relates, during the extensive manufacture of the same, and I hereby reserve the right to make such changes or alterations as shall fairly fall within the scope of the appended claims. What I claim is:

. vided with upstanding sockets and with sets 1. In a device of the class described, the combination with a support, of a pair of rods carried by said support, a bracket attached to said rod, pulleys carried by said bracket, a cable fastened firmly at one end to said support and passed under said pulleys, and means for manually adjusting said cable on said support. v v p 2. Ina device of the class described, the combination with a support, of a bracket provided at opposite sides with outwardly extending horizontal ears, pulleys carried by said ears, rods fastened to said bracket, a

. cable fastened at one end to said support and passing under said pulleys, and means carried by said support and attached to said cable for manually adjusting the same.

3. In a'device of the classdescribed, the combination with a support, of a bracket pro.-

of parallel horizontally-extending ears atopp'osite sides, each pair of ears provided with an axle, a pulley carried by said axle between the ears of each pair, rods extending into said sockets, bolts on said sockets and engaging said rods, a cable premanently fastened at one endto said support and passed under said pulleys, a shaft on said support and provided with an end adapted to receive a crank, a drumsecured to said shaft, and said cable wound around said drum.

l. In a device of the class described, the

combination with a support, of two shafts extending at their inner ends intosaid support, a drum provided with a fixed-gear on each shaft against said support,.U-shape brackets-on opposite sides of said" support, bolts extending through said brackets and engaging the gears of said drums, springs on said bolts within said U -shape brackets and normally exerting inward pressureon the bolts, and manually operated means connected to the outer ends of said bolts. V

In testimony whereof I hereunto afiix my signature. H r

CARL .JASS. 

